Refrigerator



FIG. 1 is a perspective view of front and right side of a refrigerator according to a first embodiment showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a right side view thereof;

FIG. 8 is a perspective view of front and right side of a refrigerator according to a second embodiment showing our new design;

FIG. 9 is a a front view thereof;

FIG. 10 is a rear view thereof;

FIG. 11 is a top plan view thereof;

FIG. 12 is a bottom view thereof;

FIG. 13 is a left side view thereof; and,

FIG. 14 is a right side view thereof. 

The ornamental design for a refrigerator, as shown and described. 